64587380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2053}}^1$

素因数の和:2097

約数の個数: 72

約数和(自身を含む): 160631016

約数和(自身を除く): 96043636

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 605, 715, 1210, 1430, 1573, 2053, 2420, 2860, 3146, 4106, 6292, 7865, 8212, 10265, 15730, 20530, 22583, 26689, 31460, 41060, 45166, 53378, 90332, 106756, 112915, 133445, 225830, 248413, 266890, 293579, 451660, 496826, 533780, 587158, 993652, 1174316, 1242065, 1467895, 2484130, 2935790, 3229369, 4968260, 5871580, 6458738, 12917476, 16146845, 32293690, 64587380]

約数ペア:

[(1, 64587380), (2, 32293690), (4, 16146845), (5, 12917476), (10, 6458738), (11, 5871580), (13, 4968260), (20, 3229369), (22, 2935790), (26, 2484130), (44, 1467895), (52, 1242065), (55, 1174316), (65, 993652), (110, 587158), (121, 533780), (130, 496826), (143, 451660), (220, 293579), (242, 266890), (260, 248413), (286, 225830), (484, 133445), (572, 112915), (605, 106756), (715, 90332), (1210, 53378), (1430, 45166), (1573, 41060), (2053, 31460), (2420, 26689), (2860, 22583), (3146, 20530), (4106, 15730), (6292, 10265), (7865, 8212)]